Home / 312,568.24-431,346.27-169,328.35

Finding the Fourth Proportional to 312,568.24, 431,346.27 and 169,328.35

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Solution

The fourth proportional to 312,568.24, 431,346.27 and 169,328.35 is: 233,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,568.24 : 431,346.27 = 169,328.35 : x
  2. Step 2: Convert to fraction form
    312,568.24/431,346.27 = 169,328.35/x
  3. Step 3: Cross multiply
    312,568.24x = 431,346.27 × 169,328.35
  4. Step 4: Simplify right side
    312,568.24x = 73,039,152,177.75
  5. Step 5: Solve for x
    x = 73,039,152,177.75/312,568.24
  6. Step 6: Final answer
    x = 233,674.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.